package org.csu.sei.persistence;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Select;
import org.csu.sei.entity.Banner;
import org.springframework.stereotype.Repository;

@Repository
public interface BannerMapper extends BaseMapper <Banner> {
    @Select("select max(banner_order) from banner")
    int selectMax();
}
